1. Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
2. Biomedical Institute for Convergence, Sungkyunkwan University, Suwon 16419, Republic of Korea
3. AP Technology, Suwon 16229, Republic of Korea
4. Electron Microscope Facility, Dental Research Institute, Seoul National University, Seoul 08826, Republic of Korea
5. Department of Food Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
6. Center for Biologics, Sungkyunkwan University, Suwon 16419, Republic of Korea